Mary Koback scored three goals with an assist, and the Williston Northampton girls water polo team beat Loomis Chaffee School 7-4 on Saturday.
The win qualified the Wildcats for the NEPSAC tournament, where they’ll host Choate Rosemary Hall on Wednesday.
Abbie Cosica added her own hat trick, while Dylan Fulcher-Melendy made 16 saves.
Neha Nascimento scored her first career goal for Williston.
Williston 3, Kingswood-Oxford 1 — Jordan Strum struck out 16 and hit a single in the fifth inning Saturday.
Jersey Strum then launched a two-run homer to clinch the win for the Wildcats (9-2).
Williston 19, Kingswood-Oxford 6 — Madison Fulcher-Melendy, Campbell Nyarady and Rachel Burke each had hat tricks Saturday.
Olivia Bonavita scored once and dished out four assists for Williston (11-1).
Williston 192, Pomfret 207, Marianapolis 242 — Jacob Zaranek and Jack Phelan shot 37s to tie for medalist honors at Quinnatisset Country Club in Thompson, Connecticut, on Saturday.
The Wildcats improved their record to 17-1.